Aokin 3D Printer Bed Springs - 12 Pcs 8mm OD 20mm Length Compression Die Springs for Creality Ender 3/3 Pro/3 V2/3S - Light Load Replacement Parts for Stable Printing & Bed Leveling

Spring Sizes:0.31inch/8mm Outer Diameter0.16inch/4mm Inner Diameter0.78inch/20mm Free LengthCompatibility: Great replacement for Creality Ender 3, Ender 3 Pro, Ender 3 V2, Ender 3S 3D printer bed springs, can avoid leveling the bed every time before printing. And fit some 3D printer beds, die machinery, or other applications. Of all the mold springs in color, yellow is the one with the lightest load. However, since die springs are well suited for high-stress applications, they are also suitable for a variety of other applications as well.Package Included: 12 pcs x 3D printer bed springs